Okay so I haven't had my period for about 4 weeks and so my boyfriend

Decided to run to the store and buy me 2 pregnancy test and they came out negative so I waited to see if my period would come but it wouldn't so I went to the storeand bought 3 pregnancy test different brand and one came out negative and two came out positive so now I'm so confuse I mean I had 3 negatives and 2 positive I don't know if I should take another pregnancy test because me and my boyfriend used protection at there is sometime that I think I'm ready but at the same time I think I'm not I just don't know what to do please some advice would help 😔